/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.foundation.ssl;

import com.netflix.config.ConcurrentCompositeConfiguration;

public interface SSLOptionFactory {
    static SSLOptionFactory createSSLOptionFactory(String tag, ConcurrentCompositeConfiguration configSource) {
        String name = SSLOption.getStringProperty(configSource,
                null,
                "ssl." + tag + ".sslOptionFactory",
                "ssl.sslOptionFactory");
        return createSSLOptionFactory(name);
    }

    static SSLOptionFactory createSSLOptionFactory(String className) {
        if (className != null && !className.isEmpty()) {
            try {
                return (SSLOptionFactory) Class.forName(className).newInstance();
            } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e) {
                return null;
            }
        }
        return null;
    }

    SSLOption createSSLOption();
}
